Description
T 175 HD AV Surround Sound Preamplifier HDMI .POWER ON BUT NOT WORKING FOR PART OR REPAIR , NO RETURNS.COMES WITH POWER CORD.NO REMOTE OR MANUAL.DescriptionThe newest T 175 ($2999 USD) is the top of NAD’s line of standard home-theater components, which also includes several MDC surround receivers; the T 175 is their only separate surround processor in that line. The T 175 includes NAD’s most advanced audio module, the AM 200 Dual DSP. In addition to Dolby TrueHD and DTS-HD Master Audio, it supports Audyssey’s MultEQ XT room correction, and Dynamic Volume and Dynamic EQ. In addition to Audyssey’s standard and Flat EQ target curves, the T 175 includes NAD’s own target curve, developed by Paul Barton of PSB Speakers. (PSB and NAD are both owned by the Lenbrook Group.) According to Barton, the NAD curve is subtly different from the Audyssey curve in having slightly less high-frequency energy. Barton is well versed in this subject; in the late 1980s, he was involved with the Athena Project at Canada’s National Research Council, which investigated digital signal processing for loudspeakers.The T 175 also includes Dolby Pro Logic IIx and NAD’s EARS processing, the latter said to add subtle enhancement of the surround ambience present in two-channel recordings. For those who want to adjust the audio settings themselves rather than rely on Audyssey’s automatic calibration, the speaker levels and distances can be set in respective increments of 1dB, and of 1’ or 0.3m. The subwoofer crossover points can be set independently for the front, center, and surround channels from 40 to 200Hz, in increments of 10Hz.NAD’s VM 200 video module features Sigma Designs’ VXP broadcast-studio-quality video processing. This is a premium video processor, but the T 175 offers only the most basic video adjustments of edge enhancement, noise reduction, brightness, and contrast -- though this did make setup relatively simple and speedy.The T 175 measures 17”W x 5.75”H x 13.75”D and weighs 17.6 pounds. Its exterior is finished in matte black, with a thick metal faceplate that gives it a solid look and feel. A substantial toroidal transformer can be seen through its top vents. The audio and video inputs, all of them assignable, consist of four HDMI, three component video, three coaxial, and three optical digital audio inputs. Also included are analog stereo audio and composite and S-video inputs, and a single 7.1-channel analog audio input. That last is a direct input with volume control only, and no DSP of the audio signal. Video monitor outputs are available on the composite, S-video, component, and HDMI connections. There are coaxial and optical digital audio outputs, and the AC cord is removable. Additional composite video, S-video, optical, and stereo analog inputs are available on the front panel, along with a headphone jack and an input for a media player or the Audyssey calibration microphone. Up to four listening zones can be configured, and there are options for adding an iPod dock, and XM satellite and DAB radio tuners.
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